patch 8.2.0860: cannot use CTRL-A and CTRL-X on unsigned numbers Commit: https://github.com/vim/vim/commit/aaad995f8384a77a64efba6846c9c4ac99de0953 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 31 15:08:59 2020 +0200 patch 8.2.0860: cannot use CTRL-A and CTRL-X on unsigned numbers Problem: Cannot use CTRL-A and CTRL-X on unsigned numbers. Solution: Add "unsigned" to 'nrformats'. (Naruhiko Nishino, closes https://github.com/vim/vim/issues/6144)